12

Assumes a runway of at least 4 tiles in the adjacent room. Use Space Jump or a wall jump after getting out of the water.

Entrance condition:

{
  "comeInJumping": {
    "speedBooster": "any",
    "minTiles": 4
  }
}

Requires:

"canCrossRoomJumpIntoWater"
{
  "or": [
    "canWalljump",
    "SpaceJump"
  ]
}